CN210171652U

CN210171652U - Discharging and grading device in cement raw material crusher

Info

Publication number: CN210171652U
Application number: CN201920868769.3U
Authority: CN
Inventors: Fafu Che; 车法付
Original assignee: YICHANG HUALIN CEMENT Co Ltd
Current assignee: YICHANG HUALIN CEMENT Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-24
Anticipated expiration: 2029-06-11

Abstract

The utility model provides a arrange material grading plant in cement raw materials breaker, including arranging the silo, it is equipped with braced frame to arrange the silo below, braced frame is last to install the branch material shell that communicates with the discharge gate of silo, divide the interior slope of material shell to install the branch flitch, divide and seted up a plurality of feed through holes on the flitch, the contained angle between branch flitch and the longitudinal plane is α, the axis of feed through hole and the contained angle of vertical axis 10, the rigid coupling has the unsettled flitch of lower extreme on the branch flitch, divide flitch and the flitch will divide material shell internal partitioning for raw materials blanking storehouse and granule bin, the bottom of dividing the material shell is equipped with the granule recovery tube that communicates with raw materials blanking storehouse to and the branch material conveyer pipe that divides material silo to communicate, set up a plurality of fresh air inlets on the curb plate of dividing the material shell, braced frame is last to install still to be used for vibrating on the branch material shell and to be used for vibrating the flitch.

Description

Discharging and grading device in cement raw material crusher

Technical Field

The utility model relates to a cement raw materials breaker field, concretely relates to row among cement raw materials breaker arranges material grading plant.

Background

In a cement dry production line, a plurality of working procedures such as raw material crushing, raw material pre-homogenization, raw material preparation, raw material homogenization, preheating decomposition, clinker firing, cement grinding and the like are required; raw materials collected from a mine need to be crushed before entering a production line, common raw materials of the existing crusher in crushing are limestone, marl, shells and the like, all materials are directly discharged at the same time after being crushed, a lot of large-diameter raw materials which are not crushed still exist in the granular materials discharged from a discharge port, a sorting machine is used again in subsequent processes in the production line to carry out a mode of fine screening of granules, repeated crushing needs to be carried out after the fine screening, and accordingly the situation that the large-diameter raw materials which are left after front-end crushing are continuously accumulated is caused; the preliminary separation process is performed in advance after the discharge of the crusher, so that the subsequent fine particle screening quantity is reduced, and the condition that large-diameter raw materials are excessively accumulated can be avoided.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a arrange material grading plant among cement raw materials breaker has solved the whole materials of current breaker discharge gate direct discharge, causes the accumulational problem of remaining major diameter raw materials after the breakage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a discharging grading device in a cement raw material crusher comprises a discharging barrel, wherein a supporting frame is arranged below the discharging barrel, a material distribution shell communicated with a discharging port of the discharging barrel is arranged on the supporting frame, a material distribution plate is obliquely arranged in the material distribution shell, a plurality of material passing holes are formed in the material distribution plate, an included angle between the material distribution plate and a longitudinal plane is α, an included angle between the axis of each material passing hole and a vertical axis is 10 degrees, a material separation plate with a suspended lower end is fixedly connected to the material distribution plate, the material distribution plate and the material separation plate separate the interior of the material distribution shell into a raw material blanking bin and a particle discharging bin, a particle recovery pipe communicated with the raw material blanking bin and a material distribution conveying pipe communicated with the material distribution bin are arranged at the bottom of the material distribution shell, a plurality of rectangular arrays of air inlet holes communicated with the raw material blanking bin are formed in a side plate of the material distribution shell, an air supply device communicated with the raw material blanking bin is arranged on the supporting frame, and an air supply device used for vibrating the material separation plate is.

Preferably, the value of α is in the range of 30-60 degrees.

Preferably, the air supply device comprises an air supply pipe fixedly mounted on the support frame, the air supply pipe is hermetically connected with the side plate of the material distribution shell, an axial flow fan is mounted in the air supply pipe, and a filter screen is arranged at the inlet position of the air supply pipe.

Preferably, the vibrating device comprises a mounting plate fixedly connected to a side plate of the material distribution shell, a guide seat vertically and fixedly connected to the mounting plate, and a positioning block, wherein an upper sliding rod and a lower sliding rod are slidably mounted on the guide seat, and the tail ends of the upper sliding rod and the lower sliding rod are hinged with a swinging plate; the mounting plate is provided with a limiting frame of an n-shaped structure, and the middle part of the swinging plate is in rotating fit with a cross bar of the limiting frame; and a driving cylinder is installed on the positioning block, and a piston rod of the driving cylinder is hinged with the swinging plate.

Preferably, the guide seat is provided with a linear bearing in sliding fit with the upper sliding rod and the lower sliding rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. a material distributing shell is additionally arranged at the discharge port of a discharge cylinder of the crusher, and the material discharged from the discharge cylinder is primarily separated through a material distributing plate arranged in the material distributing shell, so that the particle material crushed into small particles is conveyed to the next process from a material distributing conveying pipe after passing through a material through hole on the material distributing plate; the residual large-diameter raw materials directly roll down to a particle recovery pipe and are conveyed to the feeding position of the crusher to be continuously crushed repeatedly; after preliminary grading, excessive large-diameter raw materials cannot remain in the granular materials conveyed to the subsequent process, and the large-diameter raw materials are conveyed back to the crusher for repeated crushing, so that the phenomenon of accumulation in the subsequent process is avoided;

2. the included angle between the axis of the material passing hole and the vertical axis is 10 degrees, the material passing hole is always kept at an angle convenient for blanking, and the condition that the crushed granular materials can quickly impact and divide the material plates to fall down can be accelerated;

3. air is supplied into the material distribution shell through the air supply device, so that the retention time of small particles falling out of the material distribution cylinder on the material distribution plate is prolonged, and as much small particle materials as possible enter the particle discharge bin after passing through the material distribution plate;

4. utilize vibrating device to vibrate the flitch, let the granule material pass through the feed through hole on the flitch fast, avoid causing the condition of jam in the feed through hole.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

in the figure, a discharging cylinder 1, a supporting frame 2, a material distributing shell 3, a raw material blanking bin 31, a particle discharging bin 32, an air inlet hole 33, a material distributing plate 4, a material passing hole 40, a material separating plate 5, a particle recycling pipe 6, a material distributing conveying pipe 7, an air supply device 8, an air supply pipe 81, an axial flow fan 82, a filter screen 83, a vibrating device 9, an installation plate 91, a guide seat 92, a positioning block 93, an upper sliding rod 94, a lower sliding rod 95, a swinging plate 96, a limiting frame 97 and a driving cylinder 98.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

As shown in fig. 1 to 3, the utility model discloses a discharging and grading device in a cement raw material crusher, which comprises a discharging cylinder 1, the cement raw material crusher in the existing production line directly discharges the crushed material through the discharging cylinder 1, and all the materials are simultaneously conveyed to the subsequent processes for reprocessing, but because the crusher still has the expected particle size that some residual large-diameter raw materials are not crushed in the process of crushing the raw materials, the large-diameter particles are not quickly separated and recycled for repeated crushing in the crushing link, and the phenomenon of material accumulation is easily caused in the process of screening fine particles in the subsequent processes; the repeated crushing of the large-diameter raw materials is carried out at the crusher, so that the particle size uniformity of the crushed particles can be improved.

The material distribution device comprises a discharge cylinder 1, a support frame 2 is arranged below the discharge cylinder 1, the support frame 2 is of a frame structure formed by welding a plurality of rectangular steels and has good bearing strength, a material distribution shell 3 communicated with a discharge port of the discharge cylinder 1 is arranged on the support frame 2, the material distribution shell 3 is of a cuboid hollow structure, the material distribution shell 3 is made of carbon steel, a material distribution plate 4 is obliquely arranged in the material distribution shell 3, a plurality of material through holes 40 are formed in the material distribution plate 4, the included angle between the material distribution plate 4 and a longitudinal plane is α and ranges from 30 degrees to 60 degrees, particle materials in the discharge cylinder 1 can reliably fall onto the material distribution plate 4, then the particle materials crushed to the required size are screened out through the material through holes 40, meanwhile, the included angle between the axis of the material through holes 40 and a vertical axis is 10 degrees, the included angle between the axis of the material distribution plate 4 and the longitudinal plane is always kept to be 10 degrees, the situation that the particles can be discharged from the material through holes 40 is avoided, and the particles can rapidly fall into the material through holes 40 after the material through holes 4.

A material separating plate 5 with a suspended lower end is fixedly connected to the material separating plate 4, the material separating plate 4 and the material separating plate 5 separate the interior of the material separating shell 3 into a raw material blanking bin 31 and a particle discharging bin 32, a particle recovery pipe 6 communicated with the raw material blanking bin 31 and a material separating conveying pipe 7 communicated with the material separating and discharging bin are arranged at the bottom of the material separating shell 3, and vertically falling materials in the material separating shell 3 are separated through the material separating plate 5, so that the condition that the primarily screened materials are mixed together is avoided; after materials falling from the discharge cylinder 1 enter a raw material blanking bin 31, the materials are separated through a material distribution plate 4, large-diameter raw materials are directly screened out and then are conveyed back to a feeding position of a crusher through a particle recovery pipe 6, and most of the particle materials meeting the crushing requirement are conveyed to the subsequent working procedures through a material distribution conveying pipe 7; in the process of primarily screening the crushed raw materials by the material distributing plate 4, all the granular materials meeting the requirements cannot be screened out, but the grain diameters of the granular materials conveyed to the subsequent procedures are uniform, and the phenomenon of material accumulation can be avoided; meanwhile, the particle materials conveyed back to the crusher along with the large-diameter raw materials can be crushed again, the particle size can be further reduced, and the processing treatment of subsequent procedures is facilitated.

In order to prolong the detention time of the crushed raw materials on the material distributing plate 4, a plurality of rectangular arrays of air inlet holes 33 communicated with the raw material blanking bin 31 are arranged on the side plate of the material distributing shell 3, and an air supply device 8 for supplying air into the raw material blanking bin 31 is arranged on the supporting frame 2; wind that carries in to dividing material shell 3 through air supply arrangement 8 forms the wind face and blows to granule material, improves granule material's stress surface, not only can let granule material gliding time extension on dividing material board 4, lets more little granule materials can sieve out through logical material hole 40, can also let on little granule material is blown earlier to dividing material board 4 at the in-process that the raw materials dropped, also can improve and divide material board 4 to carry out the efficiency and the proportion screened.

The air supply device 8 comprises an air supply pipe 81 fixedly arranged on the supporting frame 2, the air supply pipe 81 is connected with a side plate of the material distribution shell 3 in a sealing manner, the air supply pipe 81 can be directly welded on the side plate of the material distribution shell 3 for sealing, and a sealing rubber ring can be adopted for sealing a gap, so that the air entering the air supply pipe 81 is mainly prevented from leaking, and the requirement of the wind power entering the material distribution shell 3 is met; install axial fan 82 in blast pipe 81, introduce external air through axial fan 82 to the wind flow direction that forms is in parallel state, simultaneously, in order to avoid sending into blast pipe 81 with impurity, is equipped with filter screen 83 in the import position department of blast pipe 81, and filter screen 83's mounting means passes through the screw and locks, can change after using a period, guarantees the unobstructed nature in whole wind channel.

In-process of carrying out material separation on branch flitch 4, need avoid the condition of material stagnation on branch flitch 4, only the material continuously move and just can follow and lead to the material hole 40 and drop down, still install the vibrating device 9 that is used for vibrating the flitch 5 on the curb plate that is close to granule bin 32 one side on dividing the material shell 3, utilize vibrating device 9 to vibrate the flitch 5, let on the flitch 5 will vibrate the transmission to branch flitch 4, make on the branch flitch 4 granule material can remove after the shake, because the lower extreme of flitch 5 is unsettled, can form the vibration state that lasts after receiving the vibration, make branch flitch 4 have the effort of continuous vibration in carrying out the material separation process always.

The vibrating device 9 comprises a mounting plate 91 fixedly connected to a side plate of the material distributing shell 3, a guide seat 92 vertically fixedly connected to the mounting plate 91 and a positioning block 93, an upper sliding rod 94 and a lower sliding rod 95 are slidably mounted on the guide seat 92, and the tail ends of the upper sliding rod 94 and the lower sliding rod 95 are hinged to a swinging plate 96; a limiting frame 97 with an inverted U-shaped structure is arranged on the mounting plate 91, and the middle part of the swinging plate 96 is in rotating fit with a cross bar of the limiting frame 97; the swing plate 96 takes the cross rod of the limiting frame 97 as a rotation center shaft, and the upper slide rod 94 and the lower slide rod 95 can alternatively and mally knock the material separating plate 5 in the reciprocating rotation process of the swing plate 96, so that the material separating plate 5 is intermittently knocked to form a vibration state; meanwhile, install on locating piece 93 and drive actuating cylinder 98, the piston rod that drives actuating cylinder 98 is articulated with swing plate 96, utilize the piston rod reciprocating motion who drives actuating cylinder 98, promote swing plate 96 and use the horizontal pole of spacing 97 as the reciprocal swing of center pin, let upper sliding rod 94, lower sliding rod 95 carry out intermittent type formula to separating flitch 5 and strike, form the vibrational state of continuation, thereby make separating flitch 4 vibrate under the vibration effect that separates flitch 5, make the granule material move on separating flitch 4, improve the branch sieve effect of separating flitch 4 to the granule material, can also avoid the condition that material through hole 40 is blockked up to take place.

The guide base 92 is provided with linear bearings which are in sliding fit with the upper sliding rod 94 and the lower sliding rod 95, and the upper sliding rod 94 and the lower sliding rod 95 are limited and guided by the linear bearings in the sliding process, so that the sliding process is ensured to be smoother.

In the explanation of the present invention, it should be noted that the term "orientation" is only used for convenience of description and understanding, and is not only limited to the installation position of specific technical features, but also does not exclude other installation manners that can be realized.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A discharging grading device in a cement raw material crusher comprises a discharging cylinder (1), and is characterized in that a supporting frame (2) is arranged below the discharging cylinder (1), a material distributing shell (3) communicated with a discharging port of the discharging cylinder (1) is mounted on the supporting frame (2), a material distributing plate (4) is obliquely mounted in the material distributing shell (3), a plurality of material through holes (40) are formed in the material distributing plate (4), an included angle between the material distributing plate (4) and a longitudinal plane is α, and an included angle between an axis of the material through hole (40) and a vertical axis is 10 degrees;

the material distributing plate (4) is fixedly connected with a material separating plate (5) with the lower end suspended in the air, the material distributing plate (4) and the material separating plate (5) divide the interior of the material distributing shell (3) into a raw material blanking bin (31) and a particle discharging bin (32), and the bottom of the material distributing shell (3) is provided with a particle recycling pipe (6) communicated with the raw material blanking bin (31) and a material distributing conveying pipe (7) communicated with the material distributing and discharging bin;

a plurality of rectangular arrays of air inlet holes (33) communicated with the raw material blanking bin (31) are formed in a side plate of the material distribution shell (3), and an air supply device (8) for supplying air into the raw material blanking bin (31) is installed on the supporting frame (2);

and a vibrating device (9) for vibrating the material separating plate (5) is further arranged on the side plate, close to one side of the particle discharging bin (32), on the material distributing shell (3).

2. The discharging and grading device in the cement raw material crusher as claimed in claim 1, wherein the value of α ranges from 30 ° to 60 °.

3. The discharge classifying device in the cement raw material crusher as claimed in claim 2, wherein: air supply arrangement (8) are including blast pipe (81) of fixed mounting on braced frame (2), sealing connection between blast pipe (81) and the curb plate of dividing material shell (3), install axial fan (82) in blast pipe (81), the import position department of blast pipe (81) is equipped with filter screen (83).

4. The discharge grading device in the cement raw material crusher as claimed in claim 1, wherein: the vibrating device (9) comprises a mounting plate (91) fixedly connected to a side plate of the material distributing shell (3), a guide seat (92) vertically and fixedly connected to the mounting plate (91) and a positioning block (93), an upper sliding rod (94) and a lower sliding rod (95) are slidably mounted on the guide seat (92), and the tail ends of the upper sliding rod (94) and the lower sliding rod (95) are hinged to a swinging plate (96);

the mounting plate (91) is provided with a limiting frame (97) with an inverted U-shaped structure, and the middle part of the swinging plate (96) is in running fit with a cross bar of the limiting frame (97);

and a driving cylinder (98) is installed on the positioning block (93), and a piston rod of the driving cylinder (98) is hinged with the swinging plate (96).

5. The discharge grading device in the cement raw material crusher as claimed in claim 4, wherein: and linear bearings in sliding fit with the upper sliding rod (94) and the lower sliding rod (95) are installed on the guide seat (92).